From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Log of failures recorded during a 100-hour bumping test on a 40/50 chassis.
Identifier | ExFiles\Box 119\2\ scan0165 | |
Date | 28th December 1921 guessed | |
40/50 CHASSIS. BUMPING TEST ON REAR OF CHASSIS. Total hours run. | Remarks. 30 | Bolt fixing stay for centre bracket for cantilever spring broken. 42 | Stay broken on centre bracket of rear spring. 53 | Rear spring second leaf broken O.S. 87 | Flange on cross member at centre bearing broken. 89 | Rear spring 3rd. and 4th. leaves broken N.S. 100 | O.K. [Watermark, reversed: MAJESTIC BOND] | ||